289786088

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{619}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 549444000

約数和(自身を除く): 259657912

約数列:

[1, 2, 4, 8, 139, 278, 421, 556, 619, 842, 1112, 1238, 1684, 2476, 3368, 4952, 58519, 86041, 117038, 172082, 234076, 260599, 344164, 468152, 521198, 688328, 1042396, 2084792, 36223261, 72446522, 144893044, 289786088]

約数ペア:

[(1, 289786088), (2, 144893044), (4, 72446522), (8, 36223261), (139, 2084792), (278, 1042396), (421, 688328), (556, 521198), (619, 468152), (842, 344164), (1112, 260599), (1238, 234076), (1684, 172082), (2476, 117038), (3368, 86041), (4952, 58519)]